Obs. : 2011-11-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.703e+11
Venus      4.703e+11
Earth      4.474e+11
Mars       4.480e+11
Jupiter    4.157e+11
Saturn     4.437e+11
Uranus     4.212e+11
Neptune    4.392e+11
Pluto      4.689e+11